.tab{
    position: fixed;
    bottom: 0;
    font-size: 16px;
    display: flex;
    width: 100%;
    height: 30px;
    justify-content: space-between;
    align-items: center;
    color: rgba(0, 0, 0, 0.644);
    background-color: white;
    div{
        width: 2.58rem;
        height: 30px;
        line-height: 30px;
        text-align: center;
        border-radius: 5px;
        
    }
    .active{
        background-color: rgb(236, 237, 235);
    }
   
}
